VDB
CVE-2026-16838
CVE-2026-16838
PUBLISHED
CVSS 7 HIGH
Reported by ibm · Published August 19, 2026
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to overwrite critical files and obtain sensitive information due to a time-of-check to time-of-use (TOCTOU) race condition.
Risk Scores
CVSS 3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| IBM | AIX | 7.2, 7.3 |
| IBM | PowerVM VIOS | 4.1 |
| IBM | AIX | 7.2, 7.3, 7.2 |
| IBM | PowerVM VIOS | 4.1, 4.1 |
Timeline
- Aug 15, 2026 CVE Published
- Aug 22, 2026 Coalition ESS Score